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Dairy Cattle And Reproduction

Subjects : industries, dairy
Instructions:
  • Answer 50 questions in 15 minutes.
  • If you are not ready to take this test, you can study here.
  • Match each statement with the correct term.
  • Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. % of fat in milk. makes cheeses and ice cream. regulates cost of milk






2. (LH) causes female's egg to break (her period)






3. Actual heat cycle (period)






4. 4-6 days






5. Allows extension of penis without fibro-elastic penis






6. (male) Primary sex organ - produces sperm (male gamete) and male sex hormones - 2 total






7. 1-3 days






8. 14-19 (17) days






9. (male) pushes the testes upward toward the body for warmth or protection






10. 19-23 (21) days






11. 30-38 hours after estrus cycle begins






12. Head - neck - mid-piece - tail. genetic material - has an enzyme covering that allows it to penetrate the egg






13. 283 days






14. Check feet and legs - look for masculine traits in build such as crest and muscling






15. Front feet and head first. (except for hogs and dogs)






16. FEED






17. Sperm production






18. Depository for semen during insemination. where urine leaves the body






19. 30-38 hours after estrus cycle begins






20. Duct through penis that carries sperm and urine






21. (LH) stimulates the Leydig cells to produce testosterone






22. Birthing process (termination of gestation)






23. Small tubes located at the upper ends of the uterine horns. connects uterine horn to infundibulum. passageway of the egg.






24. Male on one pin and female on other side






25. When are dairy cattle dehorned?






26. Not being bred back into herd. horses are seasonal breeders vs. cows as anytime breeders






27. Supply nutrients for the sperm following ejaculation and deposition into the female reproductive tract






28. Located directly in front of the cervix. fertilized egg implants here. connected to two uterine horns. implantation occurs on the same side as ovulation occurred.






29. Allows extension of penis without fibro-elastic penis






30. Organ of copulation - provides passageway for semen and urine - muscular organ characterized especially by its spongy - erectile tissue that fills with blood






31. What helps regulate spermatogenesis?






32. Castration tool which clamps down on the vans deferens. causes the sperm to not reach the penis to be ejaculated






33. 114 days






34. Largest dairy cow - largest udder - highly vascular - eat 40-50% dry matter (eat alot) - most total butterfat






35. Luteolysis happens because of the ____________ hormone






36. Can survive ~7 days in cow. vast majority <48 hours






37. Serves as a bone cradle for the reproductive system. used greatly in palpation as a 'landmark'.






38. Earlier you castrate a male - the easier it is on the animal. the longer you wait - death rates increase






39. % of fat in milk. makes cheeses and ice cream. regulates cost of milk






40. 2 month growth cycle. stored in the epididymis of the bull






41. Can survive ~7 days in cow. vast majority <48 hours






42. The more stressed out the male is - the less sperm he is going to produce






43. 265-285 days






44. Reproduction. more offspring leads to more feed costs - but is offset by reproduction numbers






45. Microscopic - make sure not sterile - very few bulls are actually tested






46. (switzerland) 2nd in size and milk production - most muscle -






47. Sperm is produced here






48. 1. sperm is not implanted in egg until hours after breeding. 2. fetal growth has not yet finished.






49. 1. to eliminate breeding the females at an early age - 2. makes animals less lean and provides a better cut for the market






50. 1. visual evaluation - 2. scrotal circumference - 3. penis and prepuce observation - 4. rectal palpation - 5. libido test - 6. semen evaluation